Home / 55,950.12-77,221.74-35,815.50

Finding the Fourth Proportional to 55,950.12, 77,221.74 and 35,815.50

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Solution

The fourth proportional to 55,950.12, 77,221.74 and 35,815.50 is: 49,432.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,950.12 : 77,221.74 = 35,815.50 : x
  2. Step 2: Convert to fraction form
    55,950.12/77,221.74 = 35,815.50/x
  3. Step 3: Cross multiply
    55,950.12x = 77,221.74 × 35,815.50
  4. Step 4: Simplify right side
    55,950.12x = 2,765,735,228.97
  5. Step 5: Solve for x
    x = 2,765,735,228.97/55,950.12
  6. Step 6: Final answer
    x = 49,432.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.